SModel queries that are useful in migrations scripts and in console plugin now behave differently towards scope they operate on. Read-only models are no longer filtered out from scope specified as a query parameter. If scope is declared as a parameter for specific query, query is executed on the whole scope including read-only models. But if scope is not specified, default scope still contains only writeable models.
The reflective editor could be shown for a whole subtree.
For that select the node and choose "Show reflective editors for subtree" or press cmd/ctrl+shift+]
Showing the reflective editor just for the node is still available as from the context menu, as by cmd/ctrl+shift+[
To show the normal, regular editor, select the node with the reflective editor an press cmd/ctrl+shift+p